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National Stock Number:
5310-01-272-9988
Federal Supply Class:
5310
National Item Identification Number:
012729988
Description:
WASHER,RECESSED
Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
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Manufacturer Information:
| 2640-390X2 PIECE 7 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2050957 PIECE 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2050957 PIECE 7 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 606 OR | | COPPER ALLOY 614 OR | | COPPER ALLOY 630 OR | | COPPER ALLOY 642 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-465 FED SPEC ALL MATERIAL RESPONSES OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 2.625 INCHES NOMINAL | | OUTSIDE DIAMETER | 4.001 INCHES MINIMUM AND | | 4.002 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.719 INCHES NOMINAL | | TOP RECESS DIAMETER | 2.823 INCHES NOMINAL | | BOTTOM RECESS DIAMETER | 2.823 INCHES NOMINAL | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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